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BS EN ISO 10642 Hexagon socket countersunk head screws

Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data

BS EN ISO 10642 Hexagon socket countersunk head screws

Dimensions: Note: Symbols and designations of dimensions are defined in ISO 225.

BS EN ISO 10642: 2004 Hexagon socket countersunk head screws

BS EN ISO 10642: 2004 Hexagon socket countersunk head screws

 

BS EN ISO 10642 Sizes Table Dimensions in mm

Thread size, d
M3
M4
M5
M6
M8
M10
M12
(M14)g
M16
M20
Pa
0.5
0.7
0.8
1
1.25
1.5
1.75
2
2
2.5
bb
ref.
18
20
22
24
28
32
36
40
44
52
da
max.
3.3
4.4
5.5
6.6
8.54
10.62
13.5
15.5
17.5
22
dk
theoretical max.
6.72
8.96
11.20
13.44
17.92
22.40
26.88
30.8
33.60
40.32
actual min.
5.54
7.53
9.43
11.34
15.24
19.22
23.12
26.52
29.01
36.05
ds
max.
3.00
4.00
5.00
6.00
8.00
10.00
12.00
14.00
16.00
20.00
min.
2.86
3.82
4.82
5.82
7.78
9.78
11.73
13.73
15.73
19.67
ec,d
min.
2.303
2.873
3.443
4.583
5.723
6.863
9.149
11.429
11.429
13.716
k
max.
1.86
2.48
3.1
3.72
4.96
6.2
7.44
8.4
8.8
10.16
Fe
max.
0.25
0.25
0.3
0.35
0.4
0.4
0.45
0.5
0.6
0.75
r
min.
0.1
0.2
0.2
0.25
0.4
0.4
0.6
0.6
0.6
0.8
nom.
2
2.5
3
4
5
6
8
10
10
12
s
max.
2.08
2.58
3.08
4.095
5.14
6.140
8.175
10.175
10.175
12.212
min.
2.02
2.52
3.02
4.020
5.02
6.020
8.025
10.025
10.025
12.032
t
min.
1.1
1.5
1.9
2.2
3
3.6
4.3
4.5
4.8
5.6
w
min.
0.25
0.45
0.66
0.7
1.16
1.62
1.8
1.62
2.2

2.2